text: 'use strict';
  
  module.exports = function archy(obj, prefix, opts) {
      if (prefix === undefined) prefix = '';
      if (!opts) opts = {};
      var chr = function chr(s) {
          var chars = {
              '│': '|',
              '└': '`',
              '├': '+',
              '─': '-',
              '┬': '-'
          };
          return opts.unicode === false ? chars[s] : s;
      };
  
      if (typeof obj === 'string') obj = { label: obj };
  
      var nodes = obj.nodes || [];
      var lines = (obj.label || '').split('\n');
      var splitter = '\n' + prefix + (nodes.length ? chr('│') : ' ') + ' ';
  
      return prefix + lines.join(splitter) + '\n' + nodes.map(function (node, ix) {
          var last = ix === nodes.length - 1;
          var more = node.nodes && node.nodes.length;
          var prefix_ = prefix + (last ? ' ' : chr('│')) + ' ';
  
          return prefix + (last ? chr('└') : chr('├')) + chr('─') + (more ? chr('┬') : chr('─')) + ' ' + archy(node, prefix_, opts).slice(prefix.length + 2);
      }).join('');
  };